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Note 1 - Interim Financial Statements (Details Textual)
9 Months Ended
Sep. 30, 2015
USD ($)
Number of Financial Institutions with which Cash is Maintained 2
Cash, Uninsured Amount $ 2,152,000
Adjustment for Carrying Back Tax Losses to Recover Previously Paid Taxes 8,300,000
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration $ 4,300,000